2.25*1.8+1.25*0.8简便计算
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/05 05:41:19
2.25*1.8+1.25*0.8简便计算
2.25*1.8+1.25*0.8简便计算
2.25*1.8+1.25*0.8简便计算
2.25*1.8+1.25*0.8
=2.25*(0.8+1)+1.25*0.8
=2.25*0.8+2.25*1+1.25*0.8
=1.8+2.25+1
=5.05
2.25*1.8+1.25*0.8简便计算
2.25*1.8+1.25*0.8简便计算
2.25*1.8+1.25*0.8简便计算
2.25*1.8+1.25*0.8
=2.25*(0.8+1)+1.25*0.8
=2.25*0.8+2.25*1+1.25*0.8
=1.8+2.25+1
=5.05